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VOLVO A/C conversion question. 200 1992

posted by  JChis2 on  Wed Oct 20 13:59 CST 2010
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last visit: Tue Nov 29 09:59 CST 2011
[RELATED]

New AC question

I bought my 1992 240 wagon last week from a person who had their car maintained by Volvo mechanics in Austin. The AC system was converted to R-134 with Volvo parts ($$$$$). The switch did not work until I cleaned the fuse bank and when I turned the system on it cycled twice for about 1 second--then I turned it off. Here is my question.

I don’t know how long the AC has been out, so I am afraid to run it again until I add a/c oil. However, I read somewhere that some AC systems do not need oil-- Freon only. Does anyone know it this is one of those freon only systems (its genuine Volvo)? In addition, how much Freon should I add?

Thank you,
J.







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    VOLVO A/C conversion question. 200 1992

    posted by  JimN696 on  Wed Oct 20 14:06 CST 2010
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    last visit: Mon May 6 17:14 CST 2013
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    The system uses oil as well as "Freon" which has become a generic term for refrigerant. You are looking for R134 refrigerant if your Volvo was converted. The oil is in the refrigerant and circulates through the system lubricating the compressor. The best way to find out if your refrigerant level is low would be to check the pressures in the system using gauges. If it is low or empty, the system should be checked for leaks, emptied (evacuated) and then refilled with the proper amount of oil and refrigerant. It would probably be a good idea to take it to a trusted professional for this operation, as most folks do not have the specialized tools it takes to do this kind of work.
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